/Engine/Source/Runtime/SignalProcessing/Public/DSP/DirectedGraphAlgo.h
Traverse a tree in a depth first ordering.
static void DepthFirstTraversal ( int32 InInitialVertex, const [FDirectedTree](API\Runtime\SignalProcessing\DSP\FDirectedTree) & InTree, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< bool(int32)> InVisitFunc )